SYNTHESIS AND PROPERTIES THE SYSTEM OF YxYBa2–xCu4O8±Δ, (0.05£х£0.2): UDC 546. 65’ 56’ 431. Bulletin of Taras Shevchenko National University of Kyiv. Chemistry, [S. l.], v. 45, n. 2, p. 42–43, 2008. Disponível em: https://chemistry.bulletin.knu.ua/en/article/view/8343. Acesso em: 6 oct. 2026.